Welcome to HW. We hate to see you have to be here, but welcome just the same.
I considered Proton, but had a couple of negatives. I had 9 of 12 biopsy cores with G4+3 and G4+4, which did not give a good success prognosis, as they told me. The second was that my Ins. company felt that the potential success of standard photon, which was locally offered, was just as good. So they were not willing to pay travel costs, and would reimburse on the standard rate for photon, with me to cover the difference out of pocket. And then there was the impact on my job. At least being local, I could work most of the day.
When it was time to consider it as adjuvant, the evaluation was the same.
In the end I chose DaVinci surgery, but also did adjuvant IGRT.
I have heard nothing negative about proton compared to photon, if the location and insurance do not present roadblocks.